Dow Corning 791 is a low modulus one-part silicone sealant that gives excellent unprimed adhesion to both porous and non-porous construction substrates.
For weathersealing of curtain walling, building facades and expansion joints. Also suitable for use as a frame sealant.
Conforms to ISO 11600-25LM and also meets ISO specification 9047 class 50%.
Excellent weathering characteristics, including resistance to ozone, UV radiation and temperature extremes.
Joint movement capability +/- 50%.
20-30 minutes working time.
Fast cure – tack free in 2 hours.
Application Temperature Range -20 to +50°C.